@@ -319,7 +319,12 @@ Reader options
319319 Those who would prefer to write filters in python can use the
320320 module `pandocfilters`, installable from PyPI. See
321321 <http://github.com/jgm/pandocfilters> for the module and several
322− examples. Note that the *EXECUTABLE* will be sought in the user's
322+ examples. There are also pandoc filter libraries in
323+ [PHP](https://github.com/vinai/pandocfilters-php),
324+ [perl](https://metacpan.org/pod/Pandoc::Filter), and
325+ [javascript/node.js](https://github.com/mvhenderson/pandoc-filter-node).
326+
327+ Note that the *EXECUTABLE* will be sought in the user's
323328 `PATH`, and not in the working directory, if no directory is
324329 provided. If you want to run a script in the working directory,
325330 preface the filename with `./`.